Alert archive / Nebraska / Tornado Warnings in 1998

Tornado Warning 21, NWS North Platte, NE

June 9, 1998Deuel County, Nebraska

NWS North Platte, NE issued this tornado warning at Jun 9, 1998, 6:43 PM MDT for Deuel County, Nebraska. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 9, 1998, 6:43 PM MDT (00:43 UTC)
Expired: Jun 9, 1998, 7:15 PM MDT
In force: 32 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Deuel County, NE

The radar

The North Platte radar (KLNX), 174 km from the middle of the area, began a volume at 00:45 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.7 hours before the alert went out and 145 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 294 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 1395 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 109 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KLBF 100042 RRA
TORLBF
NEC049-100115-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
743 PM CDT (643 PM MDT) TUE JUN 9 1998

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN DEUEL COUNTY IN THE NEBRASKA PANHANDLE

* UNTIL 715 PM MDT (815 PM CDT)

* AT 641 PM MDT... SPOTTERS REPORTED A FUNNEL CLOUD 33 MILES WEST
  SOUTHWEST OF OGALLALA OR 14 MILES WEST SOUTHWEST OF BIG SPRINGS
  MOVING EAST AT 35 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  BIG SPRINGS                  BY 700 PM MDT

THIS IS A DANGEROUS SITUATION! ACT QUICKLY! IT MAY SAVE YOUR LIFE!
MOVE TO A BASEMENT IF POSSIBLE. OTHERWISE...GO TO A SMALL INTERIOR
ROOM ON THE LOWEST FLOOR.  STAY AWAY FROM WINDOWS AND DOORS.

TW/MP

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 9, 6:17 PM MDT	Severe Thunderstorm Warning	LBF	Deuel	48 min
Jun 9, 9:27 PM MDT	Tornado Warning	LBF	Hayes	33 min
Jun 9, 9:46 PM MDT	Tornado Warning	LBF	Frontier	34 min
Jun 10, 2:04 AM MDT	Severe Thunderstorm Warning	LBF	Deuel	66 min
Jun 10, 2:57 AM MDT	Severe Thunderstorm Warning	LBF	Keith	63 min
Jun 10, 3:55 AM MDT	Severe Thunderstorm Warning	LBF	Keith	65 min
Jun 10, 4:29 AM MDT	Severe Thunderstorm Warning	LBF	Lincoln	66 min
Jun 10, 4:43 AM MDT	Tornado Warning	LBF	Lincoln	47 min
Jun 10, 5:31 AM MDT	Severe Thunderstorm Warning	LBF	Lincoln	49 min
Jun 10, 5:43 AM MDT	Severe Thunderstorm Warning	LBF	Logan	32 min
Jun 10, 5:50 AM MDT	Severe Thunderstorm Warning	LBF	Custer	65 min
Jun 10, 6:22 AM MDT	Severe Thunderstorm Warning	LBF	Custer	48 min

Nearby

Tornado Warnings in Nebraska, 1998 Every tornado warning in 1998 Tornadoes in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.